#define DEBUG 0
#include <bits/stdc++.h>
using namespace std;
#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}
// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
public:
template<typename T>
_Debug& operator,(T val) {
cout << val << endl;
return *this;
}
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif
// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back
// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;
// ---------- END OF TEMPLATE ----------
int C[300000];
vpii adjList[300000];
priority_queue<LLI> H[300000];
LLI m[300000],b[300000];
int p[300000];
int main() {
int i;
int N,M,P;
scanf("%d %d",&N,&M);
for (i = 1; i < N+M; i++) {
scanf("%d %d",&P,&C[i]);
adjList[P-1].pb(mp(i,C[i]));
}
int j;
for (i = N; i < N+M; i++) {
p[i] = i,m[i] = 1,b[i] = -C[i];
H[i].push(C[i]),H[i].push(C[i]);
}
for (i = N-1; i >= 0; i--) {
int h = -1;
for (j = 0; j < adjList[i].size(); j++) {
int v = adjList[i][j].first;
if ((h == -1) || (H[p[v]].size() > H[p[h]].size())) h = v;
}
p[i] = p[h];
for (j = 0; j < adjList[i].size(); j++) {
int v = adjList[i][j].first;
if (v != h) {
m[p[i]] += m[p[v]],b[p[i]] += b[p[v]];
while (!H[p[v]].empty()) H[p[i]].push(H[p[v]].top()),H[p[v]].pop();
}
}
while (m[p[i]] > 1) m[p[i]]--,b[p[i]] += H[p[i]].top(),H[p[i]].pop();
b[p[i]] -= C[i];
LLI x = H[p[i]].top();
H[p[i]].pop();
LLI y = H[p[i]].top();
H[p[i]].pop();
H[p[i]].push(x+C[i]),H[p[i]].push(y+C[i]);
}
printf("%lld\n",m[p[0]]*H[p[0]].top()+b[p[0]]);
return 0;
}
Compilation message
fireworks.cpp: In function 'int main()':
fireworks.cpp:79:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (j = 0; j < adjList[i].size(); j++) {
~~^~~~~~~~~~~~~~~~~~~
fireworks.cpp:84:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (j = 0; j < adjList[i].size(); j++) {
~~^~~~~~~~~~~~~~~~~~~
fireworks.cpp:66:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d",&N,&M);
~~~~~^~~~~~~~~~~~~~~
fireworks.cpp:68:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d",&P,&C[i]);
~~~~~^~~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
19 ms |
16760 KB |
Output is correct |
2 |
Correct |
21 ms |
16872 KB |
Output is correct |
3 |
Correct |
17 ms |
17100 KB |
Output is correct |
4 |
Correct |
20 ms |
17100 KB |
Output is correct |
5 |
Correct |
18 ms |
17248 KB |
Output is correct |
6 |
Correct |
18 ms |
17248 KB |
Output is correct |
7 |
Correct |
17 ms |
17248 KB |
Output is correct |
8 |
Correct |
18 ms |
17248 KB |
Output is correct |
9 |
Correct |
23 ms |
17248 KB |
Output is correct |
10 |
Correct |
17 ms |
17248 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
18 ms |
17248 KB |
Output is correct |
2 |
Correct |
18 ms |
17248 KB |
Output is correct |
3 |
Correct |
17 ms |
17248 KB |
Output is correct |
4 |
Correct |
18 ms |
17248 KB |
Output is correct |
5 |
Correct |
18 ms |
17248 KB |
Output is correct |
6 |
Correct |
24 ms |
17248 KB |
Output is correct |
7 |
Correct |
18 ms |
17248 KB |
Output is correct |
8 |
Correct |
20 ms |
17248 KB |
Output is correct |
9 |
Correct |
19 ms |
17248 KB |
Output is correct |
10 |
Correct |
17 ms |
17248 KB |
Output is correct |
11 |
Correct |
19 ms |
17324 KB |
Output is correct |
12 |
Correct |
18 ms |
17324 KB |
Output is correct |
13 |
Correct |
19 ms |
17324 KB |
Output is correct |
14 |
Correct |
21 ms |
17324 KB |
Output is correct |
15 |
Correct |
18 ms |
17324 KB |
Output is correct |
16 |
Correct |
22 ms |
17324 KB |
Output is correct |
17 |
Correct |
20 ms |
17324 KB |
Output is correct |
18 |
Correct |
21 ms |
17324 KB |
Output is correct |
19 |
Correct |
18 ms |
17324 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
19 ms |
16760 KB |
Output is correct |
2 |
Correct |
21 ms |
16872 KB |
Output is correct |
3 |
Correct |
17 ms |
17100 KB |
Output is correct |
4 |
Correct |
20 ms |
17100 KB |
Output is correct |
5 |
Correct |
18 ms |
17248 KB |
Output is correct |
6 |
Correct |
18 ms |
17248 KB |
Output is correct |
7 |
Correct |
17 ms |
17248 KB |
Output is correct |
8 |
Correct |
18 ms |
17248 KB |
Output is correct |
9 |
Correct |
23 ms |
17248 KB |
Output is correct |
10 |
Correct |
17 ms |
17248 KB |
Output is correct |
11 |
Correct |
18 ms |
17248 KB |
Output is correct |
12 |
Correct |
18 ms |
17248 KB |
Output is correct |
13 |
Correct |
17 ms |
17248 KB |
Output is correct |
14 |
Correct |
18 ms |
17248 KB |
Output is correct |
15 |
Correct |
18 ms |
17248 KB |
Output is correct |
16 |
Correct |
24 ms |
17248 KB |
Output is correct |
17 |
Correct |
18 ms |
17248 KB |
Output is correct |
18 |
Correct |
20 ms |
17248 KB |
Output is correct |
19 |
Correct |
19 ms |
17248 KB |
Output is correct |
20 |
Correct |
17 ms |
17248 KB |
Output is correct |
21 |
Correct |
19 ms |
17324 KB |
Output is correct |
22 |
Correct |
18 ms |
17324 KB |
Output is correct |
23 |
Correct |
19 ms |
17324 KB |
Output is correct |
24 |
Correct |
21 ms |
17324 KB |
Output is correct |
25 |
Correct |
18 ms |
17324 KB |
Output is correct |
26 |
Correct |
22 ms |
17324 KB |
Output is correct |
27 |
Correct |
20 ms |
17324 KB |
Output is correct |
28 |
Correct |
21 ms |
17324 KB |
Output is correct |
29 |
Correct |
18 ms |
17324 KB |
Output is correct |
30 |
Correct |
21 ms |
17324 KB |
Output is correct |
31 |
Correct |
18 ms |
17500 KB |
Output is correct |
32 |
Correct |
19 ms |
17500 KB |
Output is correct |
33 |
Correct |
22 ms |
17556 KB |
Output is correct |
34 |
Correct |
19 ms |
17588 KB |
Output is correct |
35 |
Correct |
20 ms |
17648 KB |
Output is correct |
36 |
Correct |
20 ms |
17844 KB |
Output is correct |
37 |
Correct |
20 ms |
17904 KB |
Output is correct |
38 |
Correct |
19 ms |
17972 KB |
Output is correct |
39 |
Correct |
21 ms |
18044 KB |
Output is correct |
40 |
Correct |
24 ms |
18044 KB |
Output is correct |
41 |
Correct |
21 ms |
18116 KB |
Output is correct |
42 |
Correct |
21 ms |
18140 KB |
Output is correct |
43 |
Correct |
21 ms |
18340 KB |
Output is correct |
44 |
Correct |
22 ms |
18412 KB |
Output is correct |
45 |
Correct |
21 ms |
18484 KB |
Output is correct |
46 |
Correct |
21 ms |
18812 KB |
Output is correct |
47 |
Correct |
24 ms |
18876 KB |
Output is correct |
48 |
Correct |
23 ms |
18876 KB |
Output is correct |
49 |
Correct |
26 ms |
18884 KB |
Output is correct |
50 |
Correct |
23 ms |
18944 KB |
Output is correct |
51 |
Correct |
25 ms |
18984 KB |
Output is correct |
52 |
Correct |
32 ms |
19048 KB |
Output is correct |
53 |
Correct |
28 ms |
19140 KB |
Output is correct |
54 |
Correct |
26 ms |
19300 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
19 ms |
16760 KB |
Output is correct |
2 |
Correct |
21 ms |
16872 KB |
Output is correct |
3 |
Correct |
17 ms |
17100 KB |
Output is correct |
4 |
Correct |
20 ms |
17100 KB |
Output is correct |
5 |
Correct |
18 ms |
17248 KB |
Output is correct |
6 |
Correct |
18 ms |
17248 KB |
Output is correct |
7 |
Correct |
17 ms |
17248 KB |
Output is correct |
8 |
Correct |
18 ms |
17248 KB |
Output is correct |
9 |
Correct |
23 ms |
17248 KB |
Output is correct |
10 |
Correct |
17 ms |
17248 KB |
Output is correct |
11 |
Correct |
18 ms |
17248 KB |
Output is correct |
12 |
Correct |
18 ms |
17248 KB |
Output is correct |
13 |
Correct |
17 ms |
17248 KB |
Output is correct |
14 |
Correct |
18 ms |
17248 KB |
Output is correct |
15 |
Correct |
18 ms |
17248 KB |
Output is correct |
16 |
Correct |
24 ms |
17248 KB |
Output is correct |
17 |
Correct |
18 ms |
17248 KB |
Output is correct |
18 |
Correct |
20 ms |
17248 KB |
Output is correct |
19 |
Correct |
19 ms |
17248 KB |
Output is correct |
20 |
Correct |
17 ms |
17248 KB |
Output is correct |
21 |
Correct |
19 ms |
17324 KB |
Output is correct |
22 |
Correct |
18 ms |
17324 KB |
Output is correct |
23 |
Correct |
19 ms |
17324 KB |
Output is correct |
24 |
Correct |
21 ms |
17324 KB |
Output is correct |
25 |
Correct |
18 ms |
17324 KB |
Output is correct |
26 |
Correct |
22 ms |
17324 KB |
Output is correct |
27 |
Correct |
20 ms |
17324 KB |
Output is correct |
28 |
Correct |
21 ms |
17324 KB |
Output is correct |
29 |
Correct |
18 ms |
17324 KB |
Output is correct |
30 |
Correct |
21 ms |
17324 KB |
Output is correct |
31 |
Correct |
18 ms |
17500 KB |
Output is correct |
32 |
Correct |
19 ms |
17500 KB |
Output is correct |
33 |
Correct |
22 ms |
17556 KB |
Output is correct |
34 |
Correct |
19 ms |
17588 KB |
Output is correct |
35 |
Correct |
20 ms |
17648 KB |
Output is correct |
36 |
Correct |
20 ms |
17844 KB |
Output is correct |
37 |
Correct |
20 ms |
17904 KB |
Output is correct |
38 |
Correct |
19 ms |
17972 KB |
Output is correct |
39 |
Correct |
21 ms |
18044 KB |
Output is correct |
40 |
Correct |
24 ms |
18044 KB |
Output is correct |
41 |
Correct |
21 ms |
18116 KB |
Output is correct |
42 |
Correct |
21 ms |
18140 KB |
Output is correct |
43 |
Correct |
21 ms |
18340 KB |
Output is correct |
44 |
Correct |
22 ms |
18412 KB |
Output is correct |
45 |
Correct |
21 ms |
18484 KB |
Output is correct |
46 |
Correct |
21 ms |
18812 KB |
Output is correct |
47 |
Correct |
24 ms |
18876 KB |
Output is correct |
48 |
Correct |
23 ms |
18876 KB |
Output is correct |
49 |
Correct |
26 ms |
18884 KB |
Output is correct |
50 |
Correct |
23 ms |
18944 KB |
Output is correct |
51 |
Correct |
25 ms |
18984 KB |
Output is correct |
52 |
Correct |
32 ms |
19048 KB |
Output is correct |
53 |
Correct |
28 ms |
19140 KB |
Output is correct |
54 |
Correct |
26 ms |
19300 KB |
Output is correct |
55 |
Correct |
33 ms |
19872 KB |
Output is correct |
56 |
Correct |
67 ms |
23156 KB |
Output is correct |
57 |
Correct |
115 ms |
26800 KB |
Output is correct |
58 |
Correct |
159 ms |
30328 KB |
Output is correct |
59 |
Correct |
217 ms |
34960 KB |
Output is correct |
60 |
Correct |
264 ms |
39764 KB |
Output is correct |
61 |
Correct |
248 ms |
45184 KB |
Output is correct |
62 |
Correct |
269 ms |
49976 KB |
Output is correct |
63 |
Correct |
302 ms |
57152 KB |
Output is correct |
64 |
Correct |
401 ms |
62468 KB |
Output is correct |
65 |
Correct |
232 ms |
62468 KB |
Output is correct |
66 |
Correct |
177 ms |
64452 KB |
Output is correct |
67 |
Correct |
200 ms |
69292 KB |
Output is correct |
68 |
Correct |
243 ms |
78524 KB |
Output is correct |
69 |
Correct |
292 ms |
83672 KB |
Output is correct |
70 |
Correct |
347 ms |
88500 KB |
Output is correct |
71 |
Correct |
306 ms |
109124 KB |
Output is correct |
72 |
Correct |
327 ms |
113620 KB |
Output is correct |
73 |
Correct |
294 ms |
114224 KB |
Output is correct |
74 |
Correct |
253 ms |
118484 KB |
Output is correct |
75 |
Correct |
303 ms |
121012 KB |
Output is correct |
76 |
Correct |
311 ms |
125060 KB |
Output is correct |
77 |
Correct |
342 ms |
127724 KB |
Output is correct |
78 |
Correct |
248 ms |
131376 KB |
Output is correct |
79 |
Correct |
238 ms |
134672 KB |
Output is correct |